7
3. Check if connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
Poor connection between them could cause high
TX power, which would make the temperature of the
heat sink rise quickly. If yes, secure or replace the
cable or antenna feed line.
4. If the above measures fail to solve the problem,
contact your local dealer for technical support.
When temperature falls into normal range, the prompt
message will disappear, and the Alarm Indicator will go
out.
Fan Failure Alarm
When the fan fails to work, the Alarm Indicator will glow
red and the LCD will display the prompt message below:
Then the repeater will automatically work at low TX
power, to protect the transmitter from overheating. You
need to:
1. Check whether the fan is blocked by a foreign object.
If yes, remove it.
2. If you cannot solve the problem, contact your local
dealer for technical support.
When the fan recovers normal operation, the prompt
message will disappear, and the Alarm Indicator will go
out.
VSWR Alarm
High VSWR (voltage standing wave ratio) of TX antenna
connector could result in damage to the PA, and even
failure of the transmitter. When the VSWR exceeds the
normal range, the Alarm Indicator will glow red and the
LCD will display the prompt message below:
Then the repeater will automatically works at low TX
power. You need to:
1. Check if the operating frequency of the repeater
is in line with that of the antenna. Both frequency
mismatch and improper antenna could result in poor
transmitting performance and even damage to the
transmitter. If yes, please contact your local dealer to
replace the antenna or reprogram your product.
2. Check if the connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
If yes, secure or replace the cable or antenna feed
line.
3. If you cannot solve the problem, contact your local
dealer for technical support.
When the VSWR falls within the normal range, the
prompt message will disappear, and the Alarm Indicator
will go out.
Low Forward Power Alarm
When the forward power is below the preset value, the
Alarm Indicator will glow red and the LCD will display the
prompt message below:
Then the repeater may continue transmission or
terminate it, subject to the detection result. You need to:
1. Check if the connection between the transmitter and
RF cable or antenna feed line is loose or damaged.
If yes, secure or replace the cable or antenna feed
line.
2. If you cannot solve the problem, contact your local
dealer for technical support.
When the forward power is recovered to its normal
value, the prompt message will disappear, and the Alarm
Indicator will go out.
Over/Low Voltage Alarm
When power voltage is detected to be over or below the
range (11V-15.6V) of repeater, the Alarm Indicator will
glow red and the LCD will display the prompt message
below:
Low Voltage Alarm Over Voltage Alarm
Then the repeater will automatically stop working. You
need to:
1. Check whether the power voltage is too low or too
high. If yes, replace the DC power supply or external
battery.
2. Check whether the power cord is loose or damaged.
If yes, secure or replace the cord.
3. If you cannot solve the problem, contact your local
dealer for technical support.
When the voltage falls within the normal range, the
prompt message will disappear, and the Alarm Indicator
will go out.
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